const genHelperTxt = function (container, txt) {
   container.innerHTML = txt;
   let time;
   time = window.setTimeout(() => {
      container.innerHTML = '';
      window.clearTimeout(time);
   }, 3000);
};

const setDisabled = (ele, value) => {
   ele.disabled = value;
   if (value) {
      ele.classList.add('disabled');
   } else {
      ele.classList.remove('disabled');
   }
};

function genUUID() {
   return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
      var r = (Math.random() * 16) | 0,
         v = c === 'x' ? r : (r & 0x3) | 0x8;
      return v.toString(16);
   });
}
